PxeDhcpv6AppendOption

// WDSPXE.dll
#include <windows.h>

DWORD PxeDhcpv6AppendOption(
    void* pReply,
    DWORD cbReply,
    DWORD* pcbReplyUsed,
    WORD wOptionType,
    WORD cbOption,
    void* pOption
);

<DllImport("WDSPXE.dll", ExactSpelling:=True)>
Public Shared Function PxeDhcpv6AppendOption(
    pReply As IntPtr,   ' void* in/out
    cbReply As UInteger,   ' DWORD
    ByRef pcbReplyUsed As UInteger,   ' DWORD* in/out
    wOptionType As UShort,   ' WORD
    cbOption As UShort,   ' WORD
    pOption As IntPtr   ' void*
) As UInteger
End Function

' pReply : void* in/out
' cbReply : DWORD
' pcbReplyUsed : DWORD* in/out
' wOptionType : WORD
' cbOption : WORD
' pOption : void*
Declare PtrSafe Function PxeDhcpv6AppendOption Lib "wdspxe" ( _
    ByVal pReply As LongPtr, _
    ByVal cbReply As Long, _
    ByRef pcbReplyUsed As Long, _
    ByVal wOptionType As Integer, _
    ByVal cbOption As Integer, _
    ByVal pOption As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

PxeDhcpv6AppendOption = ctypes.windll.wdspxe.PxeDhcpv6AppendOption
PxeDhcpv6AppendOption.restype = wintypes.DWORD
PxeDhcpv6AppendOption.argtypes = [
    ctypes.POINTER(None),  # pReply : void* in/out
    wintypes.DWORD,  # cbReply : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbReplyUsed : DWORD* in/out
    ctypes.c_ushort,  # wOptionType : WORD
    ctypes.c_ushort,  # cbOption : WORD
    ctypes.POINTER(None),  # pOption : void*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('WDSPXE.dll')
PxeDhcpv6AppendOption = Fiddle::Function.new(
  lib['PxeDhcpv6AppendOption'],
  [
    Fiddle::TYPE_VOIDP,  # pReply : void* in/out
    -Fiddle::TYPE_INT,  # cbReply : DWORD
    Fiddle::TYPE_VOIDP,  # pcbReplyUsed : DWORD* in/out
    -Fiddle::TYPE_SHORT,  # wOptionType : WORD
    -Fiddle::TYPE_SHORT,  # cbOption : WORD
    Fiddle::TYPE_VOIDP,  # pOption : void*
  ],
  -Fiddle::TYPE_INT)

#[link(name = "wdspxe")]
extern "system" {
    fn PxeDhcpv6AppendOption(
        pReply: *mut (),  // void* in/out
        cbReply: u32,  // DWORD
        pcbReplyUsed: *mut u32,  // DWORD* in/out
        wOptionType: u16,  // WORD
        cbOption: u16,  // WORD
        pOption: *mut ()  // void*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("WDSPXE.dll")]
public static extern uint PxeDhcpv6AppendOption(IntPtr pReply, uint cbReply, ref uint pcbReplyUsed, ushort wOptionType, ushort cbOption, IntPtr pOption);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WDSPXE_PxeDhcpv6AppendOption' -Namespace Win32 -PassThru
# $api::PxeDhcpv6AppendOption(pReply, cbReply, pcbReplyUsed, wOptionType, cbOption, pOption)

#uselib "WDSPXE.dll"
#func global PxeDhcpv6AppendOption "PxeDhcpv6AppendOption" sptr, sptr, sptr, sptr, sptr, sptr
; PxeDhcpv6AppendOption pReply, cbReply, varptr(pcbReplyUsed), wOptionType, cbOption, pOption   ; 戻り値は stat
; pReply : void* in/out -> "sptr"
; cbReply : DWORD -> "sptr"
; pcbReplyUsed : DWORD* in/out -> "sptr"
; wOptionType : WORD -> "sptr"
; cbOption : WORD -> "sptr"
; pOption : void* -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "WDSPXE.dll"
#cfunc global PxeDhcpv6AppendOption "PxeDhcpv6AppendOption" sptr, int, var, int, int, sptr
; res = PxeDhcpv6AppendOption(pReply, cbReply, pcbReplyUsed, wOptionType, cbOption, pOption)
; pReply : void* in/out -> "sptr"
; cbReply : DWORD -> "int"
; pcbReplyUsed : DWORD* in/out -> "var"
; wOptionType : WORD -> "int"
; cbOption : WORD -> "int"
; pOption : void* -> "sptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; DWORD PxeDhcpv6AppendOption(void* pReply, DWORD cbReply, DWORD* pcbReplyUsed, WORD wOptionType, WORD cbOption, void* pOption)
#uselib "WDSPXE.dll"
#cfunc global PxeDhcpv6AppendOption "PxeDhcpv6AppendOption" intptr, int, var, int, int, intptr
; res = PxeDhcpv6AppendOption(pReply, cbReply, pcbReplyUsed, wOptionType, cbOption, pOption)
; pReply : void* in/out -> "intptr"
; cbReply : DWORD -> "int"
; pcbReplyUsed : DWORD* in/out -> "var"
; wOptionType : WORD -> "int"
; cbOption : WORD -> "int"
; pOption : void* -> "intptr"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	wdspxe = windows.NewLazySystemDLL("WDSPXE.dll")
	procPxeDhcpv6AppendOption = wdspxe.NewProc("PxeDhcpv6AppendOption")
)

// pReply (void* in/out), cbReply (DWORD), pcbReplyUsed (DWORD* in/out), wOptionType (WORD), cbOption (WORD), pOption (void*)
r1, _, err := procPxeDhcpv6AppendOption.Call(
	uintptr(pReply),
	uintptr(cbReply),
	uintptr(pcbReplyUsed),
	uintptr(wOptionType),
	uintptr(cbOption),
	uintptr(pOption),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function PxeDhcpv6AppendOption(
  pReply: Pointer;   // void* in/out
  cbReply: DWORD;   // DWORD
  pcbReplyUsed: Pointer;   // DWORD* in/out
  wOptionType: Word;   // WORD
  cbOption: Word;   // WORD
  pOption: Pointer   // void*
): DWORD; stdcall;
  external 'WDSPXE.dll' name 'PxeDhcpv6AppendOption';

result := DllCall("WDSPXE\PxeDhcpv6AppendOption"
    , "Ptr", pReply   ; void* in/out
    , "UInt", cbReply   ; DWORD
    , "Ptr", pcbReplyUsed   ; DWORD* in/out
    , "UShort", wOptionType   ; WORD
    , "UShort", cbOption   ; WORD
    , "Ptr", pOption   ; void*
    , "UInt")   ; return: DWORD

●PxeDhcpv6AppendOption(pReply, cbReply, pcbReplyUsed, wOptionType, cbOption, pOption) = DLL("WDSPXE.dll", "dword PxeDhcpv6AppendOption(void*, dword, void*, int, int, void*)")
# 呼び出し: PxeDhcpv6AppendOption(pReply, cbReply, pcbReplyUsed, wOptionType, cbOption, pOption)
# pReply : void* in/out -> "void*"
# cbReply : DWORD -> "dword"
# pcbReplyUsed : DWORD* in/out -> "void*"
# wOptionType : WORD -> "int"
# cbOption : WORD -> "int"
# pOption : void* -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。